Adult&#39;s lunch box



FIG. 1 is a top, end and front perspective view of an adult's lunch box showing our new design;

FIG. 2 is a right end elevation view thereof;

FIG. 3 is a left end elevation view thereof;

FIG. 4 is front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a cross-section view on line 8--8 of FIG. 6; and,

FIG. 9 is a cross-section view on line 9--9 of FIG. 6. 

The ornamental design for an adult's lunch box, as shown. 